Seiko Cal. 5633 - 686

Released in 1987, the Cal. 5633 with design code 686 was part of Seiko's domestic market collection. It features a White dial protected by a Hardlex crystal and offers 30m of water resistance. [seikata-wm-2cb4bb4ad18d]

Also known as: Golden Tuna, Baby Tuna

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

13.7mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

30m

Dial Color

White

Jewels

27j

Frequency

21,600 bph

Power Reserve

67 hours

Year

1987

Related Models

• Seiko 6145-686
• Seiko 3833-496
• Seiko 4586-362
• Seiko 3839-179
• Seiko 6154-465
• Seiko 7188-835
• Seiko 4586-296
• Seiko 5264-872
• Seiko 0798-574
• Seiko 6695-188
• Seiko 6147-768
• Seiko 7037-784